第一次提交

2026-04-09 10:14:20 +08:00
commit e325a77b42
584 changed files with 279711 additions and 0 deletions
--- a/Middlewares/mx_spi.c
+++ b/Middlewares/mx_spi.c
@@ -0,0 +1,84 @@
+#include "mx_spi.h"
+#include "bsp_spi.h"
+#include "string.h"
+mx_spi_frame_struct mx_spi_frame = {0};
+
+
+static uint16_t CalChecksum(uint8_t * data, uint16_t len)
+{
+    uint16_t sum = 0;
+    for(int i = 0; i < len; ++i)
+    {
+        sum += data[i];
+    }
+    return sum;
+}
+
+uint8_t creat_mx_spi_frame(uint8_t device_id, uint8_t message_type, uint8_t error_flag, uint8_t *data, uint16_t data_len, mx_spi_frame_struct * mx_spi_out_frame)
+{
+		if(data_len != sizeof(mx_spi_out_frame->data))
+		{
+			return 0;
+		}
+		else
+		{
+			mx_spi_out_frame->device_id = device_id;
+			mx_spi_out_frame->message_type = message_type;
+			mx_spi_out_frame->error_flag = error_flag;
+			memcpy(mx_spi_out_frame->data,data,data_len);
+			mx_spi_out_frame->check_sum = CalChecksum((uint8_t *)mx_spi_out_frame,sizeof(mx_spi_frame_struct)-1);
+			
+			return 1;	
+		}
+}
+
+void mx_spi_init(void)
+{
+	spi1_init((uint8_t *)&mx_spi_frame, sizeof(mx_spi_frame));
+	
+}
+
+void update_spi_data(uint8_t *sensor_data,uint16_t sensor_data_len)
+{
+	static mx_spi_frame_struct mx_spi_frame_temp = {0};
+	
+		creat_mx_spi_frame(0x01,0x01,0x00,sensor_data,sensor_data_len,&mx_spi_frame_temp);
+		if(spi_i2s_flag_get(SPI1,SPI_I2S_BF_FLAG) == RESET)
+		{
+			if(SPI_SLAVE_CS_READ() == SET)
+			{
+					
+					memcpy((uint8_t *)&mx_spi_frame,(uint8_t *)&mx_spi_frame_temp,sizeof(mx_spi_frame_struct));
+				
+				
+			}
+		}
+		
+		
+}
+
+//ˢ<>±<EFBFBD>־
+void updata_spi_dma(void)
+{
+	static uint8_t busy = 0;
+	
+	if(spi_i2s_flag_get(SPI1,SPI_I2S_BF_FLAG) == RESET && SPI_SLAVE_CS_READ() == SET)
+		{
+			if(busy)
+			{
+					//mx_spi_init();
+					busy = 0;
+					dma_channel_enable(DMA2_CHANNEL1, FALSE);
+					spi_enable(SPI1, FALSE);
+					spi_enable(SPI1, TRUE);
+					dma_data_number_set(DMA2_CHANNEL1, sizeof(mx_spi_frame));
+					dma_channel_enable(DMA2_CHANNEL1, TRUE);
+			}
+		}
+	
+	if(spi_i2s_flag_get(SPI1,SPI_I2S_BF_FLAG) == SET && SPI_SLAVE_CS_READ() == RESET)
+	{
+			busy = 1;
+	}
+}
+